10.1 Simple reset
A simple reset is required in the following cases:
• If the programming key card and clearing key card (master keys) have been lost.
After a simple reset, the allocated master keys are cleared and reallocation is required
(LED continuously flashing in green).
Continued use of the terminal is not possible until a restart with new master keys
(
5. Commissioning, page 33). The locking authorisations for the user keys are retained after
a simple reset.
Prerequisites:
1. Press the reset button.
A brief acoustic signal is heard.
46
A tool to actuate the reset button, such as a thin pen/pencil or
opened out paper clip
2. Press and hold the reset button until a long
acoustic signal is heard.
The lock on parametrisation with the MDU
110 mobile programming unit is disabled.
The LED flashes continuously in green.
3. Re-teaching master keys
(
5. Commissioning, page 33)